Solution of Specific Energy and Specific Force Equations
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VIEW THE REPLYAuthor: Amlan DasAuthor Affiliations
Publication: Journal of Irrigation and Drainage Engineering
Volume 133, Issue 4
Abstract
Alternate depths and sequent depths are calculated by solving the specific energy and specific force equations, respectively. The specific energy and specific force equations result in fifth degree polynomial equations for trapezoidal cross sections. A methodology is developed for simultaneous determination of the alternate depths and/or sequent depths. The methodology uses solutions of quadratic and third-order polynomial equations to identify the two flow depths.
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References
Chow, V. T. (1959). Open channel hydraulics, McGraw-Hill, New York.
Gai, S. E. (1981). Specific energy equation for rectangular channels, Int. Water Power Dam Constr., February, 24–26.
Hungerford, T. W. (1989). Algebra, Springer, New York.
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Published In
Journal of Irrigation and Drainage Engineering
Volume 133 • Issue 4 • August 2007
Pages: 407 - 410
Copyright
© 2007 ASCE.
History
Received: May 24, 2005
Accepted: Nov 3, 2006
Published online: Aug 1, 2007
Published in print: Aug 2007
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Authors
Affiliations
Amlan Das
Professor, Dept. of Civil Engineering, National Institute of Technology, Durgapur 713209, West Bengal, India.
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